Regents of the University of Michigan
Animal Diversity Web: Class Cephalopoda
The Animal Diversity Web provides a general overview of the diverse group of cephalopods, including octopus, squid, nautilus, and cuttlefish.
Enchanted Learning
Enchanted Learning: Cephalopods
This site provides links to elementary information about cephalopods. Students and teachers will find links to the blue ring octopus, the giant squid, the cuttlefish, octopus and more.